Which of the SOLID principles does this class break:

class$$Foo $\{$ public: virtual$$void$$doAThing$1()=0$; virtual$$void$$doAThing$2()=0$; virtual$$void$$doAThing$3()=0$; virtual$$void$$doAThing$4()=0$; $\}$;

Single Responsibility Principle

Liskov Substitution Principle

Dependency Inversion Principle

Open$/$Closed Principle

Interface Segregation Principle